Quiz 3.6

What range of angles can you get from the principal value of inverse cosine?

• 0 to π
• 0 to 2π
• -π/2 to π/2
• π/2 to 3 π/2

What range of angles can you get from the principal value of inverse sine?

• 0 to π
• 0 to 2π
• -π/2 to π/2
• π/2 to 3 π/2

Evaluate: Cos^-1(0) =

• ½π

• π

• 1

• none of these

Evaluate: sin^-1(-1/2)

• π/3

• π/6

• 5π/6

• -π/6

Evaluate: sin^-1(0)

• 0

• 1

• π

• π/2

Evaluate: Cos^-1(√3/2) =

• π/3

• 2π/3

• π/6

• 5π/6

Evaluate: tan^-1 (1)

• 1

• π/4

• 0

• π/2

Tan [ tan^-1 (-1) ]

• -1

• 0

• π/6

• -π/4

Sin^-1 [ cos π ]

• 0

• π

• π/2

• -π/2

sin^-1 [cos (π/6) ]

• π/6

• π/3

• -π/6

• π/4